6.81 Carat Cushion Shape Blue Sapphire & Diamond Pendants In 18k White Gold

This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers across the country. As the founder shifts focus to new ventures, he’s releasing a final selection of investment-grade gemstone and diamond pieces—offered exclusively to 1stDibs buyers at exceptional, below-market prices. This is not a liquidation or sale—it’s a one-time opportunity to acquire legacy-level jewelry at true insider value. Each piece is final; once sold, it will not be restocked. This incredible gemstone is a 12.90 carat Oval unheated blue sapphire found in Sri Lanka. Its unheated and extremely scarce. The color it has is the color it had when it was found in the ground. The clarity and transparency are superb. Surrounded with 17 Oval diamonds...

This piece comes directly from the vault of Atlantic Diamond Company—a family-run fine jewelry house with nearly 50 years of history serving elite collectors, retailers, and dealers across the country. As the founder shifts focus to new ventures, he’s releasing a final selection of investment-grade gemstone and diamond pieces—offered exclusively to 1stDibs buyers at exceptional, below-market prices. This is not a liquidation or sale—it’s a one-time opportunity to acquire legacy-level jewelry at true insider value. Each piece is final; once sold, it will not be restocked. Tanzanite is the birthstone for December, making this gorgeous, brightly polished 18k white gold drop pendant an unforgettable gift to give. A round cut 6.8X7.4MM tanzanite sits nestled in the center...

RareGemWorld's beautiful sapphire pendant. Mounted in a beautiful 18K White Gold setting with a natural cushion cut blue sapphire. The sapphire is surrounded by natural round white d...

A beautiful and chic pendant necklace showcasing vibrant 2 blue sapphires and round brilliant diamonds, set in an open-work design made in 18k white gold...